what was once firmly in the world of make believe could quickly become quite real. >> reporter: the science is in the special fabric, so you don't need a power source or some instruction manual to make it work. theoretically, any soldier, even in the most remote location, could quickly put it on and get it working. wolf? >>> and happening now, violent clashes as protesters try to storm egypt's presidential palace. is another revolution unfolding right now? >>> before the david petraeus scandal, the head of fox news reportedly had a secret plan to try to make the general president of the united states. >>> and a shocking front page photo of a man's subway death. critics say it crosses a dangerous line. i'm wolf blitzer. you're in "the situation room." >>> up first this hour, president obama lays out his latest bargaining position in the struggle to avoid the so-called fiscal cliff. he only has 28 days the left to reach a deal with the republicans in congress before automatic spending cuts and tax hikes take effect. but instead of private negotiations, he's on thing for a public appeal. let's